/// <summary>
/// Initializes a new instance of the <see cref="JConstructor"/> class from another <see cref="JConstructor"/> object.
/// </summary>
/// <param name="other">A <see cref="JConstructor"/> object to copy from.</param>
public JConstructor(JConstructor other)
: base(other)
{
_name = other.Name;
}
internal JToken Evaluate(JToken root, bool errorWhenNoMatch)
{
JToken current = root;
foreach (object part in Parts)
{
string propertyName = part as string;
if (propertyName != null)
{
JObject o = current as JObject;
if (o != null)
{
current = o[propertyName];
if (current == null && errorWhenNoMatch)
{
throw new JsonException("Property '{0}' does not exist on JObject.".FormatWith(CultureInfo.InvariantCulture, propertyName));
}
}
else
{
if (errorWhenNoMatch)
{
throw new JsonException("Property '{0}' not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, propertyName, current.GetType().Name));
}
return(null);
}
}
else
{
int index = (int)part;
JArray a = current as JArray;
JConstructor c = current as JConstructor;
if (a != null)
{
if (a.Count <= index)
{
if (errorWhenNoMatch)
{
throw new JsonException("Index {0} outside the bounds of JArray.".FormatWith(CultureInfo.InvariantCulture, index));
}
return(null);
}
current = a[index];
}
else if (c != null)
{
if (c.Count <= index)
{
if (errorWhenNoMatch)
{
throw new JsonException("Index {0} outside the bounds of JConstructor.".FormatWith(CultureInfo.InvariantCulture, index));
}
return(null);
}
current = c[index];
}
else
{
if (errorWhenNoMatch)
{
throw new JsonException("Index {0} not valid on {1}.".FormatWith(CultureInfo.InvariantCulture, index, current.GetType().Name));
}
return(null);
}
}
}
return(current);
}
internal override bool DeepEquals(JToken node)
{
JConstructor c = node as JConstructor;
return(c != null && _name == c.Name && ContentsEqual(c));
}
internal void ReadContentFrom(JsonReader r)
{
ValidationUtils.ArgumentNotNull(r, "r");
IJsonLineInfo lineInfo = r as IJsonLineInfo;
JContainer parent = this;
do
{
if (parent is JProperty && ((JProperty)parent).Value != null)
{
if (parent == this)
{
return;
}
parent = parent.Parent;
}
switch (r.TokenType)
{
case JsonToken.None:
// new reader. move to actual content
break;
case JsonToken.StartArray:
JArray a = new JArray();
a.SetLineInfo(lineInfo);
parent.Add(a);
parent = a;
break;
case JsonToken.EndArray:
if (parent == this)
{
return;
}
parent = parent.Parent;
break;
case JsonToken.StartObject:
JObject o = new JObject();
o.SetLineInfo(lineInfo);
parent.Add(o);
parent = o;
break;
case JsonToken.EndObject:
if (parent == this)
{
return;
}
parent = parent.Parent;
break;
case JsonToken.StartConstructor:
JConstructor constructor = new JConstructor(r.Value.ToString());
constructor.SetLineInfo(constructor);
parent.Add(constructor);
parent = constructor;
break;
case JsonToken.EndConstructor:
if (parent == this)
{
return;
}
parent = parent.Parent;
break;
case JsonToken.String:
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.Date:
case JsonToken.Boolean:
case JsonToken.Bytes:
JValue v = new JValue(r.Value);
v.SetLineInfo(lineInfo);
parent.Add(v);
break;
case JsonToken.Comment:
v = JValue.CreateComment(r.Value.ToString());
v.SetLineInfo(lineInfo);
parent.Add(v);
break;
case JsonToken.Null:
v = new JValue(null, JTokenType.Null);
v.SetLineInfo(lineInfo);
parent.Add(v);
break;
case JsonToken.Undefined:
v = new JValue(null, JTokenType.Undefined);
v.SetLineInfo(lineInfo);
parent.Add(v);
break;
case JsonToken.PropertyName:
string propertyName = r.Value.ToString();
JProperty property = new JProperty(propertyName);
property.SetLineInfo(lineInfo);
JObject parentObject = (JObject)parent;
// handle multiple properties with the same name in JSON
JProperty existingPropertyWithName = parentObject.Property(propertyName);
if (existingPropertyWithName == null)
{
parent.Add(property);
}
else
{
existingPropertyWithName.Replace(property);
}
parent = property;
break;
default:
throw new InvalidOperationException("The JsonReader should not be on a token of type {0}.".FormatWith(CultureInfo.InvariantCulture, r.TokenType));
}
}while (r.Read());
}